Reply To: Chemical bond with ARROW in it. Home › Forums › Nemeth Code for Math and Science › Chemical bond with ARROW in it. › Reply To: Chemical bond with ARROW in it. September 16, 2019 at 6:31 pm #34352 Lindy WaltonModerator Hi Keith. This is a mystery out of context. Could you please send the surrounding text? I have some chemists on board waiting with interest! Thanks.